Sara Santos 
The ESP32 supports several different wireless communication protocols. Each protocol has its advantages and disadvantages and one can be more suitable than the other depending on the application. This guide …
In this guide, you’ll learn how to encrypt ESP-NOW messages exchanged between ESP32 boards. ESP-NOW uses the CCMP method for encryption using a Primary Master Key (PMK) and Local Master …
This guide shows how to build an ESP32 web server and use ESP-NOW communication protocol simultaneously. We’ll show you how to establish a two-way communication between the master (web server) …
In this quick guide, you’ll learn how to get GPS data with the LILYGO T-SIM7000G ESP32 board using Arduino IDE. This tutorial is also compatible with a “regular” ESP32 connected …
Get started with the ESP32 and the SIM7000G LTE/GPS/GPRS module. Throughout this tutorial, we’ll use the LILYGO T-SIM7000G ESP32 board that combines the ESP32 chip, the SIM7000G module, microSD card …
Get started with Deta Base using the ESP32 board. Deta Base is a NoSQL database. It is unlimited, free, and easy to use. Additionally, it requires minimal setup. So, it’s …
This is a simple guide about SPI communication protocol with the ESP32 using Arduino IDE. We’ll take a look at the ESP32 SPI pins, how to connect SPI devices, define …
In this article, we want to share a work developed by one of our readers that shows how to use the ESP32/ESP32-CAM streaming servers in robotic systems using OpenCV or …
This article is an introduction to the Node-RED dashboard with Raspberry Pi. We’ll cover how to install Node-RED Dashboard and exemplify how to build a graphical user interface for your …
This is a quick guide showing how to install Node-RED on a Raspberry Pi. We tested this installation on Raspberry Pi OS (32-bit) and Raspberry Pi OS (64-bit). Prerequisites Before …
This guide shows how to install InfluxDB 2 on Raspberry Pi. InfluxDB is an open-source time-series database (TSDB). So, it is ideal to store sensor data with timestamps over a …
Learn how to use WiFiMulti with the ESP32. It allows you to register multiple networks (SSID/password combinations). The ESP32 will connect to the Wi-Fi network with the strongest signal (RSSI). …
In this guide, you’ll learn how to create a digital scale with the Arduino using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load …
In this tutorial, you’ll learn how to create a scale with the ESP8266 NodeMCU using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load …